<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport"
        content="width=device-width, initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no">
    <title>Document</title>
    <style>
        html,body{
            width: 100%;
            height: 100%;
            margin:0px;
            padding:0px;
        }
        .formData {
            width: 100%;
            height: 100%;
            overflow-x: hidden;
            overflow-y: auto;
            display: flex;
        }

        .box {
            flex: 1;
            width: 100%;
            margin: auto 0;
            overflow: hidden;
        }
    </style>
</head>

<body>
    <div class="formData">
        <div class="box">
            <iframe id="iframe" class="ifr" src="./imgIframe.html" frameborder="0"></iframe>
        </div>
    </div>
    <script src="./index.js"></script>
</body>

</html>